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O-LevelChemistryMetals & Reactivity5070/11 · May/June 2025 · Q21 Mark

Sodium is added to water and a chemical reaction occurs. Hydrogen and aqueous sodium hydroxide are produced. Which row describes the reactants and products in this reaction?

Ahydrogen | water and sodium | aqueous sodium hydroxide
Bhydrogen and sodium | water | aqueous sodium hydroxide
Caqueous sodium hydroxide | hydrogen and sodium | water
Dsodium and water | aqueous sodium hydroxide | hydrogen

✓ Correct answer

B: hydrogen and sodium | water | aqueous sodium hydroxide

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About this question

Topic
Metals & Reactivity, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source
O-Level Chemistry, May/June 2025 Paper 1 Variant 1, question 2.

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